fix: tvl and staking (#17173)

Author: Taump

projects/obyte-city/index.js

@@ -7,56 +7,45 @@
 const {
     getBalances,
     fetchOswapExchangeRates,
-    fetchOswapAssets,
     getDecimalsByAsset,
+    executeGetter,
+    getAaStateVars,
 } = require('../helper/chain/obyte')
 
 const CITY_AA_ADDRESS = 'CITYC3WWO5DD2UM6HQR3H333RRTD253Q'
+const GBYTE_DECIMALS = 9;
 
 async function totalTvl() {
-    const [assetMetadata, exchangeRates, balances] = await Promise.all([
-        fetchOswapAssets(),
+    return { tether: 0 }
+}
+
+async function totalStaking() {
+    const [
+        depositedSupply,
+        exchangeRates,
+        constants
+    ] = await Promise.all([
+        executeGetter(CITY_AA_ADDRESS, 'get_deposited_supply', []),
         fetchOswapExchangeRates(),
-        getBalances([CITY_AA_ADDRESS]).then((balances) => balances[CITY_AA_ADDRESS])
+        getAaStateVars(CITY_AA_ADDRESS, 'constants').then(vars => vars?.constants)
     ]);
 
-    const assetDecimals = {};
-    const decimalGetters = [];
-
-    Object.keys(balances).forEach((asset) => {
-        const decimals = assetMetadata[asset]?.decimals;
-
-        if (decimals !== undefined) {
-            assetDecimals[asset] = decimals;
-        } else {
-            decimalGetters.push(getDecimalsByAsset(asset).then((decimals) => assetDecimals[asset] = decimals))
-        }
-    });
+    const decimals = await getDecimalsByAsset(constants.asset);
 
-    await Promise.all(decimalGetters);
+    const price = exchangeRates[`${constants.asset}_USD`];
+    const staked = price * (depositedSupply / 10 ** decimals);
 
-    let tvl = 0;
-
-    Object.entries(balances).forEach(async ([asset, { stable: balance = 0 }]) => {
-        const assetKey = (asset === "base") ? "GBYTE" : asset;
-        const usdRate = exchangeRates[`${assetKey}_USD`] ?? 0;
-        const decimals = assetDecimals[asset];
-
-        if (decimals !== undefined) {
-            tvl += (balance / 10 ** decimals) * usdRate;
-        }
-    });
-
-    return { tether: tvl }
+    return { tether: staked }
 }
 
+
 module.exports = {
     timetravel: false,
     misrepresentedTokens: true,
     methodology:
-        "The TVL is the total USD-value of funds locked in the agent of the CITY platform",
+        "The TVL is the total USD-value of GBYTE funds locked in the agent of the CITY platform. Staking represents the USD-value of deposited CITY tokens.",
     obyte: {
-        tvl: () => ({}),
-        staking: totalTvl,
+        tvl: totalTvl,
+        staking: totalStaking,
     }
 }